TM 10-3930-671-24 TA18 Transmission Pressure Specifications • Regulator Valve Pressure:....................................................150-195 psi [1034-1172 kPa] @ 1800 rpm Check Point: Oil supply line at converter • Converter In/Lube Pressure:  ...............................................30 psi minimum [206 kPa] @ 1800 rpm Check Point: Return from cooler Converter Safety Valve Pressure:  .......................................120-130 psi [827-896 kPa] @ 1800 rpm (Trans in NEUTRAL)  ...........................................................(Reference only) ..............................................................................................with line to cooler blocked Check Point: None • Clutch Pressure:  ..................................................................135-155 psi [930-1068 kPa] @ 650 rpm idle (Forward, Reverse applied) ..................................................Normally 15 psi less than regulator pressure (135 psi min) Check Point: At control valve (1/8 NPTF) • Clutch Pressure: ...................................................................Same as regulator valve pressure (in NEUTRAL) Notes: 1. All rpm's noted are engine speed. 2. All clutch pressures are at engine idle speed with clutch engaged, unless otherwise noted. 3. IMPORTANT - Oil at operating temperature 180-200°F (82-93'C) 4. Refer to following illustrations for check point locations. TA18 Transmission Pressure Check Points F-328